Acrylonitrile Butadiene Styrene Research Paper

ABS :
Acrylonitrile butadiene styrene (ABS) (chemical formula (C8H8• C4H6•C3H3N)n) is a common thermoplastic used to make light, rigid, molded products such as piping (for example plastic pressure pipe systems), musical instruments (most notably recorders and plastic clarinets), golf club heads (used for its good shock absorbance), automotive body parts, wheel covers, enclosures, protective head gear, buffer edging for furniture and joinery panels, airsoft BBs and toys, including Lego bricks.

AL/MS:
(Aluminium/Mild Steel)
Aluminium is a soft, durable, lightweight, malleable metal with appearance ranging from silvery to dull grey, depending on the surface roughness. Aluminium is nonmagnetic and nonsparking. It is also insoluble in alcohol,

These hangers are temporarily attached to the jigs. These jigs are keep on moving continuously by conveyors.

PRETREATMENT:
After loading the work-piece, it undergoes the process of “pretreatment”.
In this process chemical water (mixture of DM water and Surf Power) is use to remove grease, stains etc. from the job.
The spray pressure of water is 0.5 to 0.8 kg/cm².
Temperature is about 55 to 65°C.

DRY OFF OVEN:
The dry off oven make the job, after the water treatment to get dry for further operations.

WIPING WITH IP:
IP is Isopropyl Alcohol. It is use to remove the oil and grease from the work component after it comes from the dry off oven.

WIPING WITH TAGRAG:
After IP, the component is wiped with a cloth called as “tag-rag”. This cloth is used to remove the dust particles, if any, on the component.

AIR BLOW OPERATION:
After wiping the component with tag-rag, air at a very high pressure is made to strike on the component to remove water from the pockets of the component. After this operation the component enters the paint kitchen.

PAINT KITCHEN:
In Paint Kitchen, two operations are performed on the component.
They are following:
1. Primer Coating.
2. Paint (Color)

In Primer coating, three coats of primer is done on each and every component.

Similarly, in colour coating, again three coats of paint (colour) is done on the component.

BAKING OFF OVEN:
The temperature of the Baking off oven is about 70 to 75 °C. The purpose of baking off oven is to completely dry the paint on the component. INSPECTION:
After bake off oven the component is inspected thoroughly to find “a single minute defect”. The defected pieces undergo the same operations again. And the “ok “ tested pieces move in the assembly line.

UNLOADING:
After the inspection, the components are removed from the hangers.

PAINT TABLE:

Paint Supplier Paint Paint Hardener ThinnerThinnerVis- Paint Temp. hu Name batch no. cosity filter m No.

POST PAINTING OPERATOINS:
The paint which do not stick to the components is then carried away by the water . The paint acts like a sludge and floats on the water. This sludge is then removed. Water is treated in the RO Plant to filter it and then water is again circulated in the plant. The sludge is then burned in the